a solar eclipse, when the moons shadow comes between the sun and earth
Arid, Dry climates like in Arizona, California, New Mexico, and Texas
The salt will wash into the rivers and eventually the ocean. Too much salt in a freshwater system can be deadly to the wildlife. Ultimately, it will end up in the ocean, where it will have negligible impact. The real damage will be to any river systems it's washed into.
Answer:
A. To bring attention to issues that mainstream parties may neglect.